131952806 has 8 divisors (see below), whose sum is σ = 198020784. Its totient is φ = 65945880.

The previous prime is 131952803. The next prime is 131952811. The reversal of 131952806 is 608259131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131952806² = 34823086022547272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131952803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9410 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (24752598).

Almost surely, 2^131952806 is an apocalyptic number.

131952806 is a deficient number, since it is larger than the sum of its proper divisors (66067978).

131952806 is a wasteful number, since it uses less digits than its factorization.

131952806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30526.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 131952806 is about 11487.0712542406. The cubic root of 131952806 is about 509.1036491729.

The spelling of 131952806 in words is "one hundred thirty-one million, nine hundred fifty-two thousand, eight hundred six".